Finding the Fourth Proportional to 39,633,281.44, 54,689,555.28 and 22,226,044.48
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Solution
The fourth proportional to 39,633,281.44, 54,689,555.28 and 22,226,044.48 is: 30,669,488.98
Step by Step Solution
- Step 1: Write the proportion equation
39,633,281.44 : 54,689,555.28 = 22,226,044.48 : x - Step 2: Convert to fraction form
39,633,281.44/54,689,555.28 = 22,226,044.48/x - Step 3: Cross multiply
39,633,281.44x = 54,689,555.28 × 22,226,044.48 - Step 4: Simplify right side
39,633,281.44x = 1,215,532,488,244,699 - Step 5: Solve for x
x = 1,215,532,488,244,699/39,633,281.44 - Step 6: Final answer
x = 30,669,488.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.